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National Stock Number:
5305-00-354-4241
Federal Supply Class:
5305
National Item Identification Number:
003544241
Description:
SCREW,CLOSE TOLERANCE
Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 10125218 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11907-3L13-1 | 59563 | REID PRODUCTS INC. | | HT4024L3-13 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L3-13 | 0PTK6 | SPS TECHNOLOGIES INC | | HT4024L3-13 | 17446 | HUCK INTERNATIONAL, INC | | HT4024L3-13 | 73197 | HI-SHEAR CORPORATION | | ST3M455-3L13-1 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4024L3-13 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M455-3L13-1 | 76301 | THE BOEING COMPANY | | HT4024L3-13 | 80539 | SPS TECHNOLOGIES, LLC | | HT4024L3-13 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4024L3-13 | 97928 | HUCK INTL INC | | HT4024L3-13 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4024L3-13 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM | | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 32 |
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